Chapter 1: Q8E (page 7)
3-16 A function is given by a table of values, a graph, a formula, or a verbal description. Determine whether it is one-to-one.
The function is not one-to-one.
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79-80 the graph of a function defined for \(x \ge 0\) is given. Complete the graph for \(x < 0\) to make (a) an even function and (b) an odd function.
80.
Determine whether f is even, odd, or neither. You may wish to use a graphing calculator or computer to check your answer visually.
86. \(f\left( x \right) = {\bf{1}} + {\bf{3}}{x^{\bf{3}}} - {x^{\bf{5}}}\)
7-14 determine whether the equation or table defines \(y\) as a function of \(x\).
11. \({\left( {y + 3} \right)^3} + 1 = 2x\)
65-70 Find a formula for the described function and state its domain.
A rectangle has perimeter 20m. Express the area of rectangle as a function of the length of one of its sides.
Evaluate the difference quotient for the given function. Simplify your answer.
38. \(f\left( x \right) = \sqrt {x + 2} \), \(\frac{{f\left( x \right) - f\left( 1 \right)}}{{x - 1}}\)
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